Rank	Countries/Territories	Count	Percent
1	United States	555	36.5%
2	China	461	30.3%
3	Germany	102	6.7%
4	Japan	74	4.9%
5	India	53	3.5%
6	Latvia	51	3.4%
7	Korea, Republic of	25	1.6%
8	France	23	1.5%
9	Canada	16	1.1%
10	Turkey	15	1%
11	United Kingdom	14	0.9%
12	Switzerland	13	0.9%
13	Ireland	11	0.7%
14	Egypt	9	0.6%
15	Netherlands	9	0.6%
16	Russia	8	0.5%
17	Australia	8	0.5%
18	Hong Kong	8	0.5%
19	Cyprus	6	0.4%
20	Singapore	6	0.4%
21	Taiwan	5	0.3%
22	Morocco	5	0.3%
23	Spain	4	0.3%
24	Thailand	3	0.2%
25	Philippines	3	0.2%
26	Mexico	3	0.2%
27	Belgium	3	0.2%
28	Argentina	3	0.2%
29	Israel	3	0.2%
30	Iran, Islamic Republic of	3	0.2%
31	Italy	2	0.1%
32	Brazil	2	0.1%
33	Kuwait	2	0.1%
34	Ukraine	2	0.1%
35	Sweden	1	0.1%
36	Senegal	1	0.1%
37	Lithuania	1	0.1%
38	Malaysia	1	0.1%
39	Mongolia	1	0.1%
40	Romania	1	0.1%
41	Hungary	1	0.1%
42	Greece	1	0.1%
43	Viet Nam	1	0.1%